function chageRoomCondition(){
    var iframe = document.getElementById("frame_content");
    iframe.src="../roomCondition/roomCondition.html";
}
function myOrder(){
    var iframe = document.getElementById("frame_content");
    iframe.src="../myOrder/myOrder.html";
}
function reserve(){
    var iframe = document.getElementById("frame_content");
    iframe.src="../booking/booking.html";

}